Well, I just don't know. This one hardly counts as a soup, but I guess if you were a Colonialist and were strictly limited to what you had right in front of you, it might occcur to you to come up with this. Hmmm - that reminds me of something. Oh yes. Those poor sap astronauts on Apollo 13. They were faced with a drastic situation and had to save themselves by making do with only what they had right infront of them, too. It's a good thing that they didn't have any hickory nuts on board or else we might all be having this for breakfast instead of Tang.
I found this recipe at Billings Books - Feasts From Colonial Cookbooks. Compared to the other offerings on that page such as Broiled Squirrel and Codfish Tongues, this is starting to look better to me.
1 gal. hickory nuts
1 qt. hot water
4 tbs. sugar
Crack and shell the nuts. Crush the nuts into a paste. (A blender or food processor is inauthentic, but easier.) Pour the water over the nuts and let stand for 10 minutes. Strain. Add the sugar. Serve hot.